Two crucial parts of Obamacare site will take longer to repair

The Obama administration acknowledged Tuesday that two key parts of its online health insurance marketplace will take longer than expected to fix, even as it brought back a former senior White House official to help diagnose and correct the website's flaws.A senior health official said that the insurance exchange, HealthCare.gov, is still unable to perform one of its basic functions: making it easy for low-income Americans to enroll in Medicaid electronically. Days before the exchange opened three weeks ago, the …